From ac0c5a3707c4a79c27e60242e44231cc05964f0f Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Mon, 30 Nov 2015 01:26:01 -0700
Subject: [PATCH] minor parser refactoring

---
 README.md      |  3 +++
 src/parser.cpp | 26 +++++++++++++++-----------
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index 4ccbde5881..b8dfbc4f92 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,9 @@ make
 
 ## Roadmap
 
+ * ability to specify version
+ * cli ability to override library export locations
+ * add test for building library
  * variables and parameters
  * Export .so library
  * Multiple files
diff --git a/src/parser.cpp b/src/parser.cpp
index f88329b40f..a571b66f9f 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -1254,21 +1254,25 @@ static AstNode *ast_parse_root_export_decl(ParseContext *pc, int *token_index) {
 /*
 Root : RootExportDecl many(TopLevelDecl) token(EOF)
  */
+static AstNode *ast_parse_root(ParseContext *pc, int *token_index) {
+    AstNode *node = ast_create_node(NodeTypeRoot, &pc->tokens->at(*token_index));
+
+    node->data.root.root_export_decl = ast_parse_root_export_decl(pc, token_index);
+
+    ast_parse_top_level_decls(pc, token_index, &node->data.root.top_level_decls);
+
+    if (*token_index != pc->tokens->length - 1) {
+        ast_invalid_token_error(pc, &pc->tokens->at(*token_index));
+    }
+
+    return node;
+}
+
 AstNode *ast_parse(Buf *buf, ZigList<Token> *tokens) {
     ParseContext pc = {0};
     pc.buf = buf;
-    pc.root = ast_create_node(NodeTypeRoot, &tokens->at(0));
     pc.tokens = tokens;
-
     int token_index = 0;
-
-    pc.root->data.root.root_export_decl = ast_parse_root_export_decl(&pc, &token_index);
-
-    ast_parse_top_level_decls(&pc, &token_index, &pc.root->data.root.top_level_decls);
-
-    if (token_index != tokens->length - 1) {
-        ast_invalid_token_error(&pc, &tokens->at(token_index));
-    }
-
+    pc.root = ast_parse_root(&pc, &token_index);
     return pc.root;
 }